What does SI stand for?

What does SI mean? This page is about the various possible meanings of the acronym, abbreviation, shorthand or slang term: SI.

We've found a total of 190 definitions for SI:

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Acronym

Definition

Rating

SI

Self Insertion

Medical » Hospitals

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SI

Sarekat Islam

International » Indonesian

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SI

Sumatra Interactive

Internet

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SI

Siena (Provence)

International » Italian

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SI

Silicon Investor

Miscellaneous » Journals

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SI

Singhalese

Regional » Language Codes (2 Letters)

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SI

Sino Indian

Regional » Language Codes (2 Letters)

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SI

Special Investigations

Community » Law & Legal

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SI

Staten Island

Governmental » State & Local

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SI

The international system of units

Academic & Science » Mathematics

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SI

Side Information

Community » Media

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SI

Sports Illustrated

Community » Media

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SI

Stark Industries

Community » Media

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SI

Scientific Instrumentation

Academic & Science » Meteorology

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SI

Special Interest

Governmental » Military

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SI

Support Installation

Governmental » Military

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SI

System Integration

Governmental » Military

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SI

United States Strategic Command Strategic Instruction

Governmental » Military

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SI

Special Intelligence

Governmental » Military -- and more...

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SI

International Systems of Units (ISU preferred)

Governmental » NASA

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SI

Kennedy Space Center Support Operations Directorate

Governmental » NASA

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SI

Scientific Instrument

Governmental » NASA

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SI

Solar Inertial

Governmental » NASA

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SI

Selectable Interface

Computing » Networking

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SI

Slow Import

Computing » Networking

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What does SI mean?

silicon, Si, atomic number 14(noun)
a tetravalent nonmetallic element; next to oxygen it is the most abundant element in the earth's crust; occurs in clay and feldspar and granite and quartz and sand; used as a semiconductor in transistors

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"SI." Abbreviations.com. STANDS4 LLC, 2016. Web. 24 Aug. 2016. <http://www.abbreviations.com/SI>.